Lessons Learned

CircleCI CLI

If you want to test your CircleCI .yaml configuration file, you can use the CircleCI CLI to see if your config file is well formatted, but if you want to run the test locally on your machine, it doesn't work if you are on windows. The docker image does not work on windows...

APK Signing

If ever you have a problem similar to

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:packageRelease'.
> Failed to read key kalend-keystore from store "C:\code\reactnative\Kalend\android\app\kalend-release.keystore": Cannot recover key

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 1m 27s
111 actionable tasks: 4 executed, 107 up-to-date

follow this answer https://stackoverflow.com/questions/14606837/cannot-recover-key.